.<template>
<div>
    <template v-for="item in this.MenuList" >
         <el-submenu :disabled="item.disabled" :index="item.id+''"  :key="item.id" v-if="item.children.length>0">
          <template slot="title">
          <i :class="item.icon"></i>
          <span slot="title">{{item.menuName}}</span>
        </template>
        <MenuTree :MenuList="item.children"></MenuTree>
      </el-submenu>
      <el-menu-item v-else :disabled="item.disabled" :index="item.url+''" :router="true" :key="item.id" style="padding-left:50px">
          <i :class="item.icon"></i>
          <span slot="title">{{item.menuName}}</span>
      </el-menu-item>
    </template>
</div>
</template>

<script>
export default {
  name: 'MenuTree',
  props: ['MenuList']
}
</script>
<style lang="less" scoped>
// 实现了一个溢出处理
.el-menu--collapse span,
.el-menu--collapse i.el-submenu__icon-arrow {
  height: 0;
  width: 0;
  overflow: hidden;
  visibility: hidden;
  display: inline-block;
}
</style>
